540644151 has 8 divisors (see below), whose sum is σ = 721680624. Its totient is φ = 360018560.

The previous prime is 540644119. The next prime is 540644161. The reversal of 540644151 is 151446045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540644151 - 2⁵ = 540644119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540644161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99636 + ... + 104921.

It is an arithmetic number, because the mean of its divisors is an integer number (90210078).

Almost surely, 2^540644151 is an apocalyptic number.

540644151 is a deficient number, since it is larger than the sum of its proper divisors (181036473).

540644151 is a wasteful number, since it uses less digits than its factorization.

540644151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205441.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 540644151 is about 23251.7558691811. The cubic root of 540644151 is about 814.6489516523.

The spelling of 540644151 in words is "five hundred forty million, six hundred forty-four thousand, one hundred fifty-one".